<template>
  <div>
    <el-upload
      class="avatar-uploader"
      action=""
      :show-file-list="false"
      :before-upload="beforeAvatarUpload"
      :http-request="uploadImage"
    >
      <!-- (自动上传)action是上传地址 人资项目不需要 人资项目(手动上传)  -->
      <!-- show-file-list不展示列表 -->
      <img v-if="value" :src="value" class="avatar">
      <i v-else class="el-icon-plus avatar-uploader-icon" />
    </el-upload>
    <el-progress :percentage="percentage" />
  </div>

</template>

<script>
import COS from 'cos-js-sdk-v5'
export default {
  props: {
    value: {
      type: String,
      default: ''
    }
  },
  data() {
    return {
      percentage: 0
    }
  },
  methods: {
    // 检查函数 判断文件的类型还有大小 return  true(继续上传)/false(停止上传)
    beforeAvatarUpload(file) {
      const isImageType = ['image/jpeg', 'image/gif', 'image/png', 'image/bmp', 'image/webp']
        .includes(file.type)
      const is2M = file.size / 1024 / 1024 < 2

      if (!isImageType) {
        this.$message.error('上传头像图片只能是 JPG PNG GIF BMP WEBP 格式!')
        return false
      }
      if (!is2M) {
        this.$message.error('上传头像图片大小不能超过 2MB!')
      }

      return isImageType && is2M
    },
    uploadImage(params) {
    //   console.log(params)
      const cos = new COS({
        SecretId: 'AKIDMpAIDvRoxsc9RUIsGPK0XqvmOo060ub4',
        SecretKey: 'IMGxQfiX8bsxpUu76rOgkZAWdW9YhcKo'
      })
      cos.putObject({
        Bucket: 'hm-five-hr-1336211403', // 存储桶名称
        Region: 'ap-beijing', // 地域名称
        Key: params.file.name, // 文件名称
        StorageClass: 'STANDARD', // 固定值
        Body: params.file, // 文件对象
        onProgress: (progressData) => {
        //   console.log(JSON.stringify(progressData))
          this.percentage = Math.floor(progressData.percent * 100)
        }
      }, (err, data) => {
        if (data.statusCode === 200 && data.Location) {
          this.$emit('input', 'http://' + data.Location)
        } else {
          this.$message.error(err.Message) // 上传失败提示消息
        }
      })
    }
  }
}
</script>

  <style lang="scss">
    .avatar-uploader .el-upload {
      border: 1px dashed #d9d9d9;
      border-radius: 6px;
      cursor: pointer;
      position: relative;
      overflow: hidden;
    }
    .avatar-uploader .el-upload:hover {
      border-color: #409EFF;
    }
    .avatar-uploader-icon {
      font-size: 28px;
      color: #8c939d;
      width: 178px;
      height: 178px;
      line-height: 178px;
      text-align: center;
    }
    .avatar {
      width: 178px;
      height: 178px;
      display: block;
    }
  </style>
